/*
 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Copyright 1999-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id: XPATHMessages.java,v 1.2.4.1 2005/09/01 14:57:34 pvedula Exp $
 */
package com.sun.org.apache.xpath.internal.res;

import com.sun.org.apache.bcel.internal.util.SecuritySupport;
import com.sun.org.apache.xml.internal.res.XMLMessages;
import java.util.ListResourceBundle;

/**
 * A utility class for issuing XPath error messages.
 *
 * @xsl.usage internal
 */
public class XPATHMessages extends XMLMessages {

  /**
   * The language specific resource object for XPath messages.
   */
  private static ListResourceBundle XPATHBundle = null;
  /**
   * The class name of the XPath error message string table.
   */
  private static final String XPATH_ERROR_RESOURCES =
      "com.sun.org.apache.xpath.internal.res.XPATHErrorResources";

  /**
   * Creates a message from the specified key and replacement arguments,
   * localized to the given locale.
   *
   * @param msgKey The key for the message text.
   * @param args The arguments to be used as replacement text in the message created.
   * @return The formatted message string.
   */
  public static final String createXPATHMessage(String msgKey, Object args[]) //throws Exception
  {
    if (XPATHBundle == null) {
      XPATHBundle = SecuritySupport.getResourceBundle(XPATH_ERROR_RESOURCES);
    }

    if (XPATHBundle != null) {
      return createXPATHMsg(XPATHBundle, msgKey, args);
    } else {
      return "Could not load any resource bundles.";
    }
  }

  /**
   * Creates a message from the specified key and replacement arguments,
   * localized to the given locale.
   *
   * @param msgKey The key for the message text.
   * @param args The arguments to be used as replacement text in the message created.
   * @return The formatted warning string.
   */
  public static final String createXPATHWarning(String msgKey, Object args[]) //throws Exception
  {
    if (XPATHBundle == null) {
      XPATHBundle = SecuritySupport.getResourceBundle(XPATH_ERROR_RESOURCES);
    }

    if (XPATHBundle != null) {
      return createXPATHMsg(XPATHBundle, msgKey, args);
    } else {
      return "Could not load any resource bundles.";
    }
  }

  /**
   * Creates a message from the specified key and replacement arguments,
   * localized to the given locale.
   *
   * @param fResourceBundle The resource bundle to use.
   * @param msgKey The message key to use.
   * @param args The arguments to be used as replacement text in the message created.
   * @return The formatted message string.
   */
  public static final String createXPATHMsg(ListResourceBundle fResourceBundle,
      String msgKey, Object args[]) //throws Exception
  {

    String fmsg = null;
    boolean throwex = false;
    String msg = null;

    if (msgKey != null) {
      msg = fResourceBundle.getString(msgKey);
    }

    if (msg == null) {
      msg = fResourceBundle.getString(XPATHErrorResources.BAD_CODE);
      throwex = true;
    }

    if (args != null) {
      try {

        // Do this to keep format from crying.
        // This is better than making a bunch of conditional
        // code all over the place.
        int n = args.length;

        for (int i = 0; i < n; i++) {
          if (null == args[i]) {
            args[i] = "";
          }
        }

        fmsg = java.text.MessageFormat.format(msg, args);
      } catch (Exception e) {
        fmsg = fResourceBundle.getString(XPATHErrorResources.FORMAT_FAILED);
        fmsg += " " + msg;
      }
    } else {
      fmsg = msg;
    }

    if (throwex) {
      throw new RuntimeException(fmsg);
    }

    return fmsg;
  }
}
